mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
6bf072eb59
This will allow us to not loose the julia session on error. See also https://github.com/wbhart/flint2/pull/243
124 lines
3.5 KiB
C
124 lines
3.5 KiB
C
/*
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Copyright (C) 2017 Fredrik Johansson
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This file is part of Arb.
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Arb is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version. See <http://www.gnu.org/licenses/>.
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*/
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#include "acb_elliptic.h"
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#include "acb_modular.h"
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int main()
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{
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slong iter;
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flint_rand_t state;
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flint_printf("f....");
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fflush(stdout);
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flint_randinit(state);
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/* test F(z,m) = F(z+pi k, m) - 2 k K(m) */
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for (iter = 0; iter < 2000 * arb_test_multiplier(); iter++)
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{
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acb_t z1, z2, m, r1, r2, r3, t;
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arb_t pi;
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fmpz_t k;
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slong prec1, prec2;
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int times_pi;
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acb_init(z1);
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acb_init(z2);
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acb_init(m);
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acb_init(r1);
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acb_init(r2);
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acb_init(r3);
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acb_init(t);
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arb_init(pi);
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fmpz_init(k);
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prec1 = 2 + n_randint(state, 200);
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prec2 = 2 + n_randint(state, 200);
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times_pi = n_randint(state, 2);
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acb_randtest(z1, state, 1 + n_randint(state, 500), 1 + n_randint(state, 100));
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acb_randtest(m, state, 1 + n_randint(state, 500), 1 + n_randint(state, 100));
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fmpz_randtest(k, state, 1 + n_randint(state, 100));
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arb_const_pi(pi, FLINT_MAX(prec1, prec2));
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if (n_randint(state, 2))
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arb_set_d(acb_realref(z1), -4.5 + n_randint(state, 10));
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if (times_pi)
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{
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if (n_randint(state, 2))
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{
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acb_mul_arb(t, z1, pi, prec2);
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acb_elliptic_f(r1, t, m, 0, prec1);
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}
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else
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{
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acb_elliptic_f(r1, z1, m, 1, prec1);
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}
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if (n_randint(state, 2))
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{
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acb_add_fmpz(z2, z1, k, prec2);
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acb_elliptic_f(r2, z2, m, 1, prec2);
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}
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else
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{
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acb_mul_arb(z2, z1, pi, prec2);
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arb_addmul_fmpz(acb_realref(z2), pi, k, prec2);
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acb_elliptic_f(r2, z2, m, 0, prec2);
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}
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}
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else
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{
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acb_elliptic_f(r1, z1, m, 0, prec1);
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acb_set(z2, z1);
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arb_addmul_fmpz(acb_realref(z2), pi, k, prec2);
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acb_elliptic_f(r2, z2, m, 0, prec2);
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}
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acb_set(r3, r2);
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acb_modular_elliptic_k(t, m, prec2);
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acb_mul_2exp_si(t, t, 1);
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acb_submul_fmpz(r3, t, k, prec2);
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if (!acb_overlaps(r1, r3))
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{
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flint_printf("FAIL: overlap\n\n");
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flint_printf("times_pi = %d\n\n", times_pi);
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flint_printf("z1 = "); acb_printd(z1, 30); flint_printf("\n\n");
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flint_printf("z2 = "); acb_printd(z2, 30); flint_printf("\n\n");
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flint_printf("m = "); acb_printd(m, 30); flint_printf("\n\n");
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flint_printf("k = "); fmpz_print(k); flint_printf("\n\n");
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flint_printf("r1 = "); acb_printd(r1, 30); flint_printf("\n\n");
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flint_printf("r2 = "); acb_printd(r2, 30); flint_printf("\n\n");
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flint_printf("r3 = "); acb_printd(r3, 30); flint_printf("\n\n");
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flint_abort();
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}
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acb_clear(z1);
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acb_clear(z2);
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acb_clear(m);
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acb_clear(r1);
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acb_clear(r2);
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acb_clear(r3);
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acb_clear(t);
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arb_clear(pi);
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fmpz_clear(k);
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}
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flint_randclear(state);
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flint_cleanup();
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flint_printf("PASS\n");
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return EXIT_SUCCESS;
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}
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